header{
    position: relative;
    width: 100%;
    height: 60px;
    background-color: #393D49;
}
header .hh{
    position: absolute;
    display: inline-block;
    color: aliceblue;
    left: 35%;
    font-size: 23px;
    line-height: 10px;
}
.quanxian{
    width: 300px;
    height: 100%;
    /* background-color: aquamarine; */
    float: right;
}
.quanxian span{
    display: inline-block;
    width: 90px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    /* border: 1px solid; */
    margin-left: 5px;
    color: aliceblue;
}